package io.kiki.sba.registry.client.util;


public class StringUtils {

    public static final String EMPTY = "";


    public static boolean isEmpty(CharSequence cs) {
        return cs == null || cs.length() == 0;
    }


    public static boolean isNotEmpty(CharSequence cs) {
        return !isEmpty(cs);
    }


    public static boolean isBlank(CharSequence cs) {
        int strLen;
        if (cs == null || (strLen = cs.length()) == 0) {
            return true;
        }
        for (int i = 0; i < strLen; i++) {
            if (!Character.isWhitespace(cs.charAt(i))) {
                return false;
            }
        }
        return true;
    }


    public static boolean isNotBlank(CharSequence cs) {
        return !isBlank(cs);
    }
}
